AMI Report: Oroville Hospital - Model A

year Statewide
Death Rate
(%)		 Number of
Cases Included		 Number of
Observed
Deaths		 Number of
Expected Deaths		 Observed Death
Rate (%)		 Expected Death
Rate (%)		 Risk-Adjusted
Death Rate
(%)		 Risk Adjusted
Death Rate
95% Confidence
Lower Bound		 Risk Adjusted
Death Rate
95% Confidence
Upper Bound		 Probability
This Rate
Occurred by
Chance
1991 15.1 98 9 14.5 9.2 14.8 9.4 2.6 16.1 0.060
1992 14.5 120 20 18.7 16.7 15.6 15.5 9.8 21.1 0.406
1993 13.9 124 15 16.2 12.1 13.1 12.9 7.0 18.8 0.430
1994 13.0 153 13 17.4 8.5 11.4 9.7 4.3 15.1 0.145
1995 12.8 153 21 20.3 13.7 13.3 13.2 8.4 18.0 0.474
1996 12.2 140 18 18.5 12.9 13.2 11.9 7.0 16.8 0.512
1997 12.0 151 21 18.3 13.9 12.1 13.8 9.0 18.6 0.276
1998 12.1 145 27 16.6 18.6 11.4 19.6 14.5 24.8 0.005

Model A is a conservative model with risk factors of chronic and personal characters

 

AMI Report: Oroville Hospital - Model B

year Statewide
Death Rate
(%)		 Number of
Cases Included		 Number of
Observed
Deaths		 Number of
Expected Deaths		 Observed Death
Rate (%)		 Expected Death
Rate (%)		 Risk-Adjusted
Death Rate
(%)		 Risk Adjusted
Death Rate
95% Confidence
Lower Bound		 Risk Adjusted
Death Rate
95% Confidence
Upper Bound		 Probability
This Rate
Occurred by
Chance
1991 15.1 98 9 12.3 9.2 12.5 11.0 3.9 18.2 0.174
1992 14.5 120 20 19.7 16.7 16.5 14.7 9.9 19.5 0.520
1993 13.9 124 15 18.0 12.1 14.5 11.6 6.5 16.6 0.227
1994 12.9 153 13 15.7 8.5 10.2 10.7 5.2 16.3 0.272
1995 12.8 153 21 19.0 13.7 12.4 14.2 9.5 18.9 0.325
1996 12.2 140 18 17.7 12.9 12.7 12.4 7.6 17.1 0.515
1997 12.0 151 21 17.8 13.9 11.8 14.2 9.7 18.6 0.210
1998 12.1 145 27 18.0 18.6 12.4 18.1 13.6 22.7 0.009

Model B is a comprehensive model with more acute risk factors added in